Dyfyniad APA
Schmude Jr., R. (2008). Uranus, Neptune, and Pluto and How to Observe Them. Springer US. https://doi.org/10.1007/978-0-387-76602-7
Dyfyniad Arddull Chicago
Schmude Jr., Richard. Uranus, Neptune, and Pluto and How to Observe Them. New York, NY: Springer US, 2008. https://doi.org/10.1007/978-0-387-76602-7.
Dyfyniad MLA
Schmude Jr., Richard. Uranus, Neptune, and Pluto and How to Observe Them. Springer US, 2008. https://doi.org/10.1007/978-0-387-76602-7.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.